grindstone

noun grind·stone \ ˈgrīn(d)-ˌstōn \

Definition of grindstone

1 :millstone 1
2 :a flat circular stone of natural sandstone that revolves on an axle and is used for grinding, shaping, or smoothing

Recent Examples of grindstone from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'grindstone.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Illustration of grindstone

First Known Use of grindstone

13th century



GRINDSTONE Defined for English Language Learners

grindstone

noun

Definition of grindstone for English Language Learners

  • : a stone disc that can be turned like a wheel and that is used for sharpening tools, smoothing rough edges, etc.


GRINDSTONE Defined for Kids

grindstone

noun grind·stone \ ˈgrīnd-ˌstōn \

Definition of grindstone for Students

:a flat round stone that turns to sharpen or shape things


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